Alexa represents a growing trend. The big tech players are investing heavily in voice-control (in order of current competence: Amazon, Google, Microsoft, Apple). They see voice as the next step logical interface for technology. Gone are they days, they argue, when we had to do anything quite so quaint as type on a keyboard. And in many ways, they're right: being able to say what you want and get an immediate answer can be fantastically useful. But it doesn't always beat a good-old-fashioned k...
